/Engine/Plugins/Online/OnlineServices/Source/OnlineServicesCommon/Public/Online/SessionsCommon.h
void ClearSessionReferences ( const [FOnlineSessionId](API\Runtime\CoreOnline\Online\FOnlineSessionId) SessionId, const [FName](API\Runtime\Core\UObject\FName) & SessionName, const [FAccountId](API\Runtime\CoreOnline\Online\FAccountId) & LocalAccountId )